High-fidelity noise-excluding earphones with ergonomically designed construction
USD535644S1 · kind S1 · design
52Cited by
10References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 2006 |
| Grant date | Jan 23, 2007 |
| Priority date | — |
| Expiry date | Jan 23, 2021 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.